The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
May. 11, 2010

Filed:

May. 29, 2007
Applicant:

Chun-liang Chen, Tamshui Town, Taipei Hsien, TW;

Inventor:

Chun-Liang Chen, Tamshui Town, Taipei Hsien, TW;

Assignee:

Other;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B21B 15/00 (2006.01); B21F 11/00 (2006.01); B21B 19/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

A main beam fabrication procedure and system for making main beams for warehouse framework through feeding, auto-forwarding and flattening, punching, roller shape-forming, cutting-off and finished product collection steps, in which the punching machine comprises an upper mold holder, four upper punching dies arranged in two longitudinal rows on the bottom side of the upper mold holder and adjustable to change the transverse pitch between the two longitudinal rows of upper punching dies, a bottom mold holder, and four bottom punching dies arranged in two longitudinal rows on the top side of the bottom mold holder and adjustable to change the transverse pitch between the two longitudinal rows of bottom punching dies.


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